package cst.a722wr.zyfypt_722wr.Fragment;


import android.graphics.Color;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentStatePagerAdapter;
import android.support.v4.view.ViewPager;
import android.util.DisplayMetrics;
import android.util.TypedValue;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

import cst.a722wr.zyfypt_722wr.R;

public class CollectFragment extends Fragment {

    private PagerSlidingTabStrip tabs;
    private DisplayMetrics dm;
    private CArticleFragment articleFragment;
    private CTwareFragment twareFragment;
    private CVideoFragment videoFragment;
    private CTcaseFragment tcaseFragment;
    private CProjectFragment projectFragment;

    public CollectFragment() {

    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        View view = inflater.inflate(R.layout.fragment_collect, null);
        initView(view);
        return view;
    }

    private void initView(View view) {

        dm = getResources().getDisplayMetrics();
        ViewPager pager = (ViewPager) view.findViewById(R.id.pager);
        tabs = (PagerSlidingTabStrip) view.findViewById(R.id.tabs);
        pager.setAdapter(new MyPagerAdapter(getChildFragmentManager()));
        tabs.setViewPager(pager);
        setTabsValue();

    }

    private void setTabsValue() {
        // 设置Tab是自动填充满屏幕的
        tabs.setShouldExpand(true);
        // 设置Tab的分割线是透明的
        tabs.setDividerColor(Color.TRANSPARENT);
        // tabs.setDividerColor(Color.BLACK);
        // 设置Tab底部线的高度
        tabs.setUnderlineHeight((int) TypedValue.applyDimension(
                TypedValue.COMPLEX_UNIT_DIP, 1, dm));
        // 设置Tab Indicator的高度
        tabs.setIndicatorHeight((int) TypedValue.applyDimension(
                TypedValue.COMPLEX_UNIT_DIP, 4, dm));
        // 设置Tab标题文字的大小
        tabs.setTextSize((int) TypedValue.applyDimension(
                TypedValue.COMPLEX_UNIT_SP, 16, dm));
        // 设置Tab Indicator的颜色
        tabs.setIndicatorColor(Color.parseColor("#45c01a"));
        // 设置选中Tab文字的颜色 (这是我自定义的一个方法)
        tabs.setSelectedTextColor(Color.parseColor("#45c01a"));
        // 取消点击Tab时的背景色
        tabs.setTabBackground(0);
    }

    public class MyPagerAdapter extends FragmentStatePagerAdapter {

        public MyPagerAdapter(FragmentManager fm) {
            super(fm);
        }

        private final String[] titles = { "视频", "课件", "文章", "案例", "项目"};

        @Override
        public CharSequence getPageTitle(int position) {
            return titles[position];
        }

        @Override
        public int getCount() {
            return titles.length;
        }

        @Override
        public Fragment getItem(int position) {
            switch (position) {
                case 0:

                    if (null == videoFragment) {
                        videoFragment = new CVideoFragment();
                    }

                    return videoFragment;

                case 1:

                    if (null == twareFragment) {
                        twareFragment = new CTwareFragment();
                    }

                    return twareFragment;

                case 2:

                    if (null == articleFragment) {
                        articleFragment = new CArticleFragment();
                    }

                    return articleFragment;

                case 3:

                    if (null == tcaseFragment) {
                        tcaseFragment = new CTcaseFragment();
                    }

                    return tcaseFragment;

                case 4:

                    if (null == projectFragment) {
                        projectFragment = new CProjectFragment();
                    }

                    return projectFragment;

                default:
                    return null;
            }
        }

    }

}
